the "Wrote xxx" messages was printed, although the compiler appeared to
have been run on the .c file that was never claimed to have been
written, but got an error because it couldn't find the .h file (also
never claimed to have been written), and in one of the successes on the
same buildbot, they were both printed for the same file.
svn path=/trunk/; revision=41133
1) "-e" isn't supported by good old /bin/sh, so we use "-r"
instead;
2) "The algorithm for determining the precedence of the
operators and the return value that will be generated is
based on the number of arguments presented to test", so we
explicitly parenthesize.
svn path=/trunk/; revision=22448